求函数y=cos﹙2x-π/3﹚,x∈[π/6,π/2]的单调减区间及值域
问题描述:
求函数y=cos﹙2x-π/3﹚,x∈[π/6,π/2]的单调减区间及值域
答
y=cos(2x-π/3),x∈[π/6,π/2]
π/6